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ath9k: Simplify node attach/detach routines 

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2008-10-29 10:13:59 +05:30 committed by John W. Linville
parent b5aa9bf946
commit c51701632c
4 changed files with 95 additions and 120 deletions
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15
drivers/net/wireless/ath9k/core.c
View File

@ -1366,9 +1366,10 @@ void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta, int if_id)
an = (struct ath_node *)sta->drv_priv;
/* set up per-node tx/rx state */
ath_tx_node_init(sc, an);
ath_rx_node_init(sc, an);
if (sc->sc_flags & SC_OP_TXAGGR)
ath_tx_node_init(sc, an);
if (sc->sc_flags & SC_OP_RXAGGR)
ath_rx_node_init(sc, an);
an->maxampdu = 1 << (IEEE80211_HTCAP_MAXRXAMPDU_FACTOR +
sta->ht_cap.ampdu_factor);
@ -1384,10 +1385,10 @@ void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
ath_chainmask_sel_timerstop(&an->an_chainmask_sel);
ath_tx_node_cleanup(sc, an);
ath_tx_node_free(sc, an);
ath_rx_node_free(sc, an);
if (sc->sc_flags & SC_OP_TXAGGR)
ath_tx_node_cleanup(sc, an);
if (sc->sc_flags & SC_OP_RXAGGR)
ath_rx_node_cleanup(sc, an);
}
/*

2
drivers/net/wireless/ath9k/core.h
View File

@ -372,7 +372,7 @@ bool ath_stoprecv(struct ath_softc *sc);
void ath_flushrecv(struct ath_softc *sc);
u32 ath_calcrxfilter(struct ath_softc *sc);
void ath_rx_node_init(struct ath_softc *sc, struct ath_node *an);
void ath_rx_node_free(struct ath_softc *sc, struct ath_node *an);
void ath_rx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
void ath_handle_rx_intr(struct ath_softc *sc);
int ath_rx_init(struct ath_softc *sc, int nbufs);
void ath_rx_cleanup(struct ath_softc *sc);

79
drivers/net/wireless/ath9k/recv.c
View File

@ -1200,61 +1200,56 @@ void ath_rx_aggr_teardown(struct ath_softc *sc, struct ath_node *an, u8 tid)
void ath_rx_node_init(struct ath_softc *sc, struct ath_node *an)
{
if (sc->sc_flags & SC_OP_RXAGGR) {
struct ath_arx_tid *rxtid;
int tidno;
struct ath_arx_tid *rxtid;
int tidno;
/* Init per tid rx state */
for (tidno = 0, rxtid = &an->an_aggr.rx.tid[tidno];
tidno < WME_NUM_TID;
tidno++, rxtid++) {
rxtid->an = an;
rxtid->seq_reset = 1;
rxtid->seq_next = 0;
rxtid->baw_size = WME_MAX_BA;
rxtid->baw_head = rxtid->baw_tail = 0;
/* Init per tid rx state */
for (tidno = 0, rxtid = &an->an_aggr.rx.tid[tidno];
tidno < WME_NUM_TID;
tidno++, rxtid++) {
rxtid->an = an;
rxtid->seq_reset = 1;
rxtid->seq_next = 0;
rxtid->baw_size = WME_MAX_BA;
rxtid->baw_head = rxtid->baw_tail = 0;
/*
* Ensure the buffer pointer is null at this point
* (needs to be allocated when addba is received)
*/
/*
* Ensure the buffer pointer is null at this point
* (needs to be allocated when addba is received)
*/
rxtid->rxbuf = NULL;
setup_timer(&rxtid->timer, ath_rx_timer,
(unsigned long)rxtid);
spin_lock_init(&rxtid->tidlock);
rxtid->rxbuf = NULL;
setup_timer(&rxtid->timer, ath_rx_timer,
(unsigned long)rxtid);
spin_lock_init(&rxtid->tidlock);
/* ADDBA state */
rxtid->addba_exchangecomplete = 0;
}
/* ADDBA state */
rxtid->addba_exchangecomplete = 0;
}
}
void ath_rx_node_free(struct ath_softc *sc, struct ath_node *an)
void ath_rx_node_cleanup(struct ath_softc *sc, struct ath_node *an)
{
if (sc->sc_flags & SC_OP_RXAGGR) {
struct ath_arx_tid *rxtid;
int tidno, i;
struct ath_arx_tid *rxtid;
int tidno, i;
/* Init per tid rx state */
for (tidno = 0, rxtid = &an->an_aggr.rx.tid[tidno];
tidno < WME_NUM_TID;
tidno++, rxtid++) {
/* Init per tid rx state */
for (tidno = 0, rxtid = &an->an_aggr.rx.tid[tidno];
tidno < WME_NUM_TID;
tidno++, rxtid++) {
if (!rxtid->addba_exchangecomplete)
continue;
if (!rxtid->addba_exchangecomplete)
continue;
/* must cancel timer first */
del_timer_sync(&rxtid->timer);
/* must cancel timer first */
del_timer_sync(&rxtid->timer);
/* drop any pending sub-frames */
ath_rx_flush_tid(sc, rxtid, 1);
/* drop any pending sub-frames */
ath_rx_flush_tid(sc, rxtid, 1);
for (i = 0; i < ATH_TID_MAX_BUFS; i++)
ASSERT(rxtid->rxbuf[i].rx_wbuf == NULL);
for (i = 0; i < ATH_TID_MAX_BUFS; i++)
ASSERT(rxtid->rxbuf[i].rx_wbuf == NULL);
rxtid->addba_exchangecomplete = 0;
}
rxtid->addba_exchangecomplete = 0;
}
}

119
drivers/net/wireless/ath9k/xmit.c
View File

@ -2565,62 +2565,60 @@ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an)
{
if (sc->sc_flags & SC_OP_TXAGGR) {
struct ath_atx_tid *tid;
struct ath_atx_ac *ac;
int tidno, acno;
struct ath_atx_tid *tid;
struct ath_atx_ac *ac;
int tidno, acno;
/*
* Init per tid tx state
*/
for (tidno = 0, tid = &an->an_aggr.tx.tid[tidno];
tidno < WME_NUM_TID;
tidno++, tid++) {
tid->an = an;
tid->tidno = tidno;
tid->seq_start = tid->seq_next = 0;
tid->baw_size = WME_MAX_BA;
tid->baw_head = tid->baw_tail = 0;
tid->sched = false;
tid->paused = false;
tid->cleanup_inprogress = false;
INIT_LIST_HEAD(&tid->buf_q);
/*
* Init per tid tx state
*/
for (tidno = 0, tid = &an->an_aggr.tx.tid[tidno];
tidno < WME_NUM_TID;
tidno++, tid++) {
tid->an = an;
tid->tidno = tidno;
tid->seq_start = tid->seq_next = 0;
tid->baw_size = WME_MAX_BA;
tid->baw_head = tid->baw_tail = 0;
tid->sched = false;
tid->paused = false;
tid->cleanup_inprogress = false;
INIT_LIST_HEAD(&tid->buf_q);
acno = TID_TO_WME_AC(tidno);
tid->ac = &an->an_aggr.tx.ac[acno];
acno = TID_TO_WME_AC(tidno);
tid->ac = &an->an_aggr.tx.ac[acno];
/* ADDBA state */
tid->addba_exchangecomplete = 0;
tid->addba_exchangeinprogress = 0;
tid->addba_exchangeattempts = 0;
}
/* ADDBA state */
tid->addba_exchangecomplete = 0;
tid->addba_exchangeinprogress = 0;
tid->addba_exchangeattempts = 0;
}
/*
* Init per ac tx state
*/
for (acno = 0, ac = &an->an_aggr.tx.ac[acno];
acno < WME_NUM_AC; acno++, ac++) {
ac->sched = false;
INIT_LIST_HEAD(&ac->tid_q);
/*
* Init per ac tx state
*/
for (acno = 0, ac = &an->an_aggr.tx.ac[acno];
acno < WME_NUM_AC; acno++, ac++) {
ac->sched = false;
INIT_LIST_HEAD(&ac->tid_q);
switch (acno) {
case WME_AC_BE:
ac->qnum = ath_tx_get_qnum(sc,
ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
break;
case WME_AC_BK:
ac->qnum = ath_tx_get_qnum(sc,
ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BK);
break;
case WME_AC_VI:
ac->qnum = ath_tx_get_qnum(sc,
ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_VI);
break;
case WME_AC_VO:
ac->qnum = ath_tx_get_qnum(sc,
ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_VO);
break;
}
switch (acno) {
case WME_AC_BE:
ac->qnum = ath_tx_get_qnum(sc,
ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
break;
case WME_AC_BK:
ac->qnum = ath_tx_get_qnum(sc,
ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BK);
break;
case WME_AC_VI:
ac->qnum = ath_tx_get_qnum(sc,
ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_VI);
break;
case WME_AC_VO:
ac->qnum = ath_tx_get_qnum(sc,
ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_VO);
break;
}
}
}
@ -2664,25 +2662,6 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an)
}
}
/* Cleanup per node transmit state */
void ath_tx_node_free(struct ath_softc *sc, struct ath_node *an)
{
if (sc->sc_flags & SC_OP_TXAGGR) {
struct ath_atx_tid *tid;
int tidno, i;
/* Init per tid rx state */
for (tidno = 0, tid = &an->an_aggr.tx.tid[tidno];
tidno < WME_NUM_TID;
tidno++, tid++) {
for (i = 0; i < ATH_TID_MAX_BUFS; i++)
ASSERT(tid->tx_buf[i] == NULL);
}
}
}
void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb)
{
int hdrlen, padsize;